How can I handle errors in forms using Vue 3?

How can I handle errors in forms using Vue 3?

In Vue 3, you can handle form errors by using the v-model directive for two-way data binding and computed properties to validate inputs.

Can you give me an example of how to implement this?

Sure! You can create a form with v-model for each input and use a computed property to check for errors. For instance, if you have an email input, you can validate it like this: computed: { emailError() { return !this.email.includes('@') ? 'Invalid email' : ''; } }.

What about displaying the error messages?

You can display error messages conditionally in your template. For example: <span v-if="emailError">{{ emailError }}</span> will show the error message if there's an issue.

Is there a way to handle multiple fields at once?

Yes, you can create a method that validates all fields and returns an object with error messages for each field, then display them accordingly.